... 氮化钢调质钢hardened and tempered steel 热轧弹簧钢hot rolling spring steel 冷拉弹簧钢cold drawing spring steel ...
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hardened and tempered steel
... nitriding steel调质钢 hardened and tempered steel热轧弹簧钢 hot rolling spring steel冷拉弹簧钢 ...
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短语
热轧弹簧钢带
hot rolled spring steel strip
热轧弹簧扁钢
Hot-rolled flat spring steel
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